Flickr is the online equivalent of that big box of pictures you have in your garage, only this box is digital and isn’t collecting dust. Most people know what Flickr is, but in case you don’t it is a photo-sharing website that offers image hosting at the low cost of free. They also have a pro account that unlocks several limits from the free account. They really have it right, and I don’t know of any other photo-sharing services that have the same caliber site or the same quality userbase.